Apple Soundtrack Pro 2 - Manual (Page 215)

Chapter 6 Editing Audio Files 215
To view an audio file in Frequency Spectrum view, do one the following:
m Choose View > File Editor Display > Show Spectrum.
m Click the Frequency Spectrum View button in the upper-right corner of the File Editor
tab or the File Editor project view.
The display changes to show the audio file’s frequency spectrum.
You can select parts of the audio file, apply actions, and edit the audio file in Frequency
Spectrum view in the same way as in Waveform view. In addition, you can make
selections of frequency ranges as well as copy, paste, delete, and adjust the amplitude
of frequency selections. You can also change the Frequency Spectrum view display to
show the frequency spectrum linearly or logarithmically, use different analysis
windows, and change the number of samples used to calculate the view.
To return to Waveform view, do one the following:
m Choose View > File Editor Display > Show Waveform.
m Click the Waveform View button.
Frequency Spectrum
View button Waveform View button